Ford Mustang (1999-2004) Service Manual: Transmission Description (Description and Operation)

The 4R70W has the following features:

  • Wide ratio gears
  • Four speeds
  • Rear wheel drive
  • Automatic
  • Electronic shift
  • Torque converter clutch control
  • Line pressure controls

The transmission uses Ravigneaux-style double-pinion gearset with two bands, one one-way roller clutch, one mechanical diode and four friction clutches to produce four forward gears and Reverse.

4R70W Automatic Transmission

4R70W Automatic Transmission

    Automatic Transaxle/Transmission
    General Specifications a - MERCON V is not interchangeable at this time with the current MERCON fluids. Check the transmission fluid level indicator to determine the correct fluid and refer to the ...

    Identification Tags
    All vehicles are equipped with a Vehicle Certification Label, located on the driver side door lock post. For correct transmission identification, refer to the code in the space marked TR. ...

    Other materials:

    Exhaust Manifold - Inspection
    Special Tool(s) Straight Edge 303-D039 (D83L-4201-A) or equivalent 1. Place a straight edge across the exhaust manifold flanges and check for warping with a feeler gauge. Bearing -Inspection 1. Inspect bearings for the following defects. P ...

    Safety Belt Buckle - Rear Seat
    Removal 1. Remove the rear seat cushion. 2. Remove the bolt and the safety belt buckle. Installation 1. NOTE: LH and RH rear seat safety belt buckles have different anchor plates. Make sure correct part is used when installing buckle and anchor plate in th ...

    Clutch Controls (Description and Operation)
      The clutch control system engages and disengages the clutch. The clutch control system disengages the clutch when the clutch pedal is depressed and engages the clutch when the clutch pedal is released. Clutch pedal motion is transmitted by the c ...